The thing that puzzles me is, does he really think that his collection of personal experiences amounted to some kind of evidence that would blow away the skeptics? As if it was any different than all the other "proof" that has been offered over the years? The attitude that he (and a few others there too apparently) seems to have is 'wow, I bet they've never heard of a spooky message from a Ouija board before!'
I think Charles is sincere in his supernatural beliefs. I think he was insincere about pretty much everything else.
I don't think he expected his "evidence" to
convince anyone here. I think that what he was counting on was that he could "win" the argument because anecdotes are, generally speaking, irrefutable. Hey, we weren't there when the medium made her "prediction" to Charles, so we can't dispute it, and
explain that, skeptics!
In Charles's world view, the only possible answers to his anecdotal evidence are: (a) yes, that really happened, but it's just an amazingly unlikely coincidence; (b) you're lying; or (c) you're delusional. (a) is a weak rebuttal, so he claims victory over anyone who says that, and (b) and (c) are "mean" and therefore he claims victory because obviously the meanie skeptics can't rebut him and are resorting to insults.
Charles either doesn't understand, or pretends not to understand, things like confirmation bias, sample sizes, the Texas Sharpshooter Effect, the fallibility of human memory, etc. So when posters here offered those kinds of answers, Charles desperately tried to shoehorn those into his three categories above. That's why he was so insistent on claiming that everyone was accusing him of lying, no matter how many times we said that wasn't the case. (And yes, I do think he's a liar, but about his intentions here and his "used to be a skeptic" claim. I think he really truly believes that this medium predicted Diana's death, etc.) Failing that, he declared that the responses were some other type of mean, personal attack, so that he could declare victory and retreat.